On Mon, Aug 08, 2011 at 03:21:22PM +0200, Jiri Slaby wrote:> On 07/19/2011 02:35 AM, Andreas Bombe wrote:> > On Thu, Jul 14, 2011 at 02:35:10PM +0200, Jiri Slaby wrote:> >> This should also fix the issue Andreas is seeing (BTM in comparison to> >> BKL doesn't have any hidden functionality like unlocking during> >> sleeping).> > > > I tested the patch series and it does not appear to make a difference> > for the internal (16550A) serial ports on my system. Also, I am still> > unclear on why it freezes the X display during the timeout period.> > Sorry for the delay. Could you attach output of sysrq-t when this> happens? I mean with a kernel patched by my patch.

I did my simple test on ttyS0 again: "stty -F /dev/ttyS0 crtscts" then"echo >/dev/ttyS0". I attached the gzipped sysrq-t list in case you needthe complete output. This is just the process while it is trying toclose the device (bash's internal echo):